RFI COL8 UHF Collinear Antenna, 380-530 MHz
$1,286.74
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RFI COL8 UHF Collinear Antenna, 380-530 MHz
6dBd high-gain collinear with -2Β° beam tilt for optimised range at sites up to 2000m elevation.
Overview
The COL8 is a high gain omnidirectional collinear antenna and RFI's most popular and widely used UHF base station antenna. The COL8 is a series fed collinear, custom tuned to user specified frequencies. By design, each antenna is constructed to exhibit a beam tilt of -2Β° at the highest of the operating frequencies specified, gradually increasing with lower frequencies within the defined operational bandwidth.
The result is an antenna which provides excellent null fill coverage and optimised range for antenna sites where average height above ground level is not greater than 2000m. The radiating elements are constructed of alodined aluminium with all internal metal junctions welded to prevent the generation of intermodulation products and spurious emissions.
Key Features
- 6dBd (8dBi) gain means strong omnidirectional coverage across a 10MHz operating bandwidth.
- -2Β° beam tilt means excellent null fill coverage optimised for sites up to 2000m elevation.
- Welded aluminium construction means minimised intermodulation products and spurious emissions.
- DC grounded design means better lightning protection and reduced static noise.
Applications
- Single and multi-frequency UHF base station applications
- Sites where average height above ground level is not greater than 2000m
- Applications requiring excellent null fill coverage
- General purpose high-gain UHF coverage in the 380-530MHz band
Key Specifications
| Product Code | COL8 |
| Frequency Range | 380-530MHz UHF |
| Gain | 6dBd / 8dBi |
| Tuned Bandwidth | 10MHz |
| VSWR | <1.5:1 (14dB return loss) |
| Nominal Impedance | 50Ξ© |
| Vertical Beamwidth | 14Β° |
| Input Power | 200W |
| Passive IM 3rd Order | -130dBc |
| Connector | N female bulkhead |
| Construction | Alodined aluminium elements with white fibreglass radome |
| Length | 3.1m |
| Weight | 1.5kg |
| Mounting Area | 300mm x 38mm diam. alodined aluminium |
| Suggested Clamps | 2 x UC1 |
| Wind Load @160km/h | 97N |
| Wind Gust Rating | 211km/h |
| Torque @160km/h | 124Nm |
FAQs
What does the -2Β° beam tilt achieve?
The negative beam tilt directs more energy towards the ground near the antenna site, improving null fill coverage and making the COL8 well suited to sites where average height above ground level is not greater than 2000m.
Is this antenna suitable for multi-frequency use?
Yes, the COL8 provides a 10MHz operating bandwidth within VSWR limits of less than 1.5:1, making it suitable for single and multi frequency applications.
Overview
Features
Specifications
RFI COL8 UHF Collinear Antenna, 380-530 MHz
$1,286.74